Metaacetone
[化] 3-戊酮
🗣️ 情景例句
How long will this letter take to get there?
这封信需要多长时间到那儿？
It's a pain in the neck.
那真是件麻烦事
Then a police inspector arrived with a constable and she told them of her discovery of the ransacked flat.
过了一会儿，一位巡官带着一名警察来了。她向他们讲述了发现公寓遭劫的经过。